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Finding the Fourth Proportional to 3,926,800.80, 5,881,906.80 and 3,263,248.80

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Solution

The fourth proportional to 3,926,800.80, 5,881,906.80 and 3,263,248.80 is: 4,887,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,800.80 : 5,881,906.80 = 3,263,248.80 : x
  2. Step 2: Convert to fraction form
    3,926,800.80/5,881,906.80 = 3,263,248.80/x
  3. Step 3: Cross multiply
    3,926,800.80x = 5,881,906.80 × 3,263,248.80
  4. Step 4: Simplify right side
    3,926,800.80x = 19,194,125,306,811.84
  5. Step 5: Solve for x
    x = 19,194,125,306,811.84/3,926,800.80
  6. Step 6: Final answer
    x = 4,887,980.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.